3.0
JOB # 2: FABRICATION OF NEW DUCTS –
BOQ FOR REPLACEMENT OF OLD DUCTS WITH NEW DUCTS:
S.No.
Description
Qty
(nos/lot)
3.1
Basement Supply Air Ducts:
3.1.1
Dismantling, removing and disposing
off of existing wooden ducts complete
along with its supply air grilles, dampers
and insulation.
One lot
3.1.2
Supply, Fabrication, Installation with
supports, testing and commissioning of
sheet metal ducts GSS ducting as per IS
655 std.-SAIL/Bhushan/Jindal.
125 M2
The duct has to be connected to the
existing three supply air ducts (those are
coming from AHU to this floor)
Rate
(Rs.)
Total
Amount
(Rs.)
(85 M2
22
gauge
and 40
M2 24
gauge)
Air to be distributed 6,000 CFM in a
rectangular ring form.
Air velocity in supply ducts to be maintained
preferably within 1200 FPM.
3.1.3
Supply, Installation, Testing of GS
construction Louver dampers within
ducts to be provided with suitable ducts
lever and quadrants for manual control
of volume of air flow and for proper
balancing of the air distribution system.
Dampers:
Caryaire/Opella
or
equivalent.
0.8 M2
3.1.4
Supply, Installation, Testing and
balancing of powder coated Extruded
Aluminum supply air registers (grilles
with volume control dampers).
Grilles should have adjustable double
louvers.
2.5 M2
Total number of registers about 25
Out air velocity at supply grilles 500 –750
FPM.
Grilles: Caryaire/Opella or equivalent.
1
S.No.
Description
Qty
(nos/lot)
3.1.5
Supply and Installation of external
thermal insulation of 19 mm thickness
with aluminum cladding on supply air
ducts (Microcellular Closed Cell Nitrile
Rubber Insulation. Thermal Conductivity
125 M2
Rate
(Rs.)
Total
Amount
(Rs.)
0.038 W/m Deg K, 60 kg/m3 density).
Insulation: K flex or equivalent.
3.2
First Floor Supply Air Ducts:
3.2.1
Dismantling, removing and disposing
off of existing wooden ducts complete
along with its supply air grilles, dampers
and insulation.
Supply, Fabrication, Installation with
supports, testing and commissioning of
sheet metal ducts GSS ducting as per IS
655 std.-SAIL/Bhushan.
3.2.2
The duct has to be connected to the
existing three supply air ducts (those are
coming from AHU to this floor)
One lot
180 M2
(125 M2
22
gauge
and 55
M2 24
gauge)
Air to be distributed 10,500 CFM in a
rectangular ring form.
Air velocity in supply ducts to be maintained
preferably within 1200 FPM.
3.2.3
Supply, Installation, Testing of GS
construction Louver dampers within
ducts to be provided with suitable ducts
lever and quadrants for manual control
of volume of air flow and for proper
balancing of the air distribution system.
Dampers:
equivalent.
3.2.4
Caryaire/Opella
1.0 M2
or
Supply, Installation, Testing and
balancing of powder coated Extruded
Aluminum supply air registers (grilles
with volume control dampers).
Grilles should have adjustable double
louvers.
3.5 M2
Total number of registers about 30
2
S.No.
Description
Qty
(nos/lot)
Rate
(Rs.)
Total
Amount
(Rs.)
Out air velocity at supply grilles 500 –750
FPM.
Grilles: Caryaire/Opella or equivalent.
3.2.5
Supply and Installation of external
thermal insulation of 19 mm thickness
with aluminum cladding on supply air
ducts (Microcellular Closed Cell Nitrile
Rubber Insulation. Thermal Conductivity
180 M2
0.038 W/m Deg K, 60 kg/m3 density).
Insulation: K flex or equivalent.
3